Bamboo charcoal Fiber quilt is a high technology product. It releases a continuous negative ions and far infrareds. Our Bamboo charcoal fiber is activated by High Temperature. Bamboo charcoal Fiber quilt reduces the effluvium, adjusts moisture, insulate heat and keep warm. You will feel cool in summer and warm in winter with our magic Bamboo charcoal Fiber quilt. It improves your sleep quality....